Home / 108,469,806.30-162,706,033.80-31,794,384.96

Finding the Fourth Proportional to 108,469,806.30, 162,706,033.80 and 31,794,384.96

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Solution

The fourth proportional to 108,469,806.30, 162,706,033.80 and 31,794,384.96 is: 47,691,965.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,469,806.30 : 162,706,033.80 = 31,794,384.96 : x
  2. Step 2: Convert to fraction form
    108,469,806.30/162,706,033.80 = 31,794,384.96/x
  3. Step 3: Cross multiply
    108,469,806.30x = 162,706,033.80 × 31,794,384.96
  4. Step 4: Simplify right side
    108,469,806.30x = 5,173,138,273,951,972
  5. Step 5: Solve for x
    x = 5,173,138,273,951,972/108,469,806.30
  6. Step 6: Final answer
    x = 47,691,965.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.